+ View the NASA Portal
+ Center for Near-Earth Object Studies
IMPORTANT:
The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.
Please visit
this page
for more details.
Don't show this message again
JPL Small-Body Database Browser
Search:
[
help
]
441473 (2008 RJ94)
Classification:
Main-belt Asteroid
SPK-ID:
2441473
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 11
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2082079237699221
8.0051e-08
a
2.375083511133318
1.5306e-08
au
q
1.880572304500073
1.8812e-07
au
i
2.483875331880836
8.6489e-06
deg
node
183.2608930929424
0.00017212
deg
peri
195.8031698493112
0.00017457
deg
M
326.6193616042179
2.2241e-05
deg
t
p
2458724.467799188288
(2019-Aug-28.96779919)
8.2617e-05
TDB
period
1336.954889197773
3.66
1.2923e-05
3.538e-08
d
yr
n
.2692686214835674
2.6028e-09
deg/d
Q
2.869594717766562
1.8492e-08
au
Orbit Determination Parameters
# obs. used (total)
131
data-arc span
4099 days (11.22 yr)
first obs. used
2008-09-06
last obs. used
2019-11-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.5389
source
ORB
producer
Otto Matic
solution date
2019-Dec-05 02:09:04
Additional Information
Earth MOID
= .882097 au
Jupiter MOID
= 2.5878 au
T_jup
= 3.511
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
18.1
n/a
MPO402740
441473 (2008 RJ94)
Discovered 2008-Sep-06 by Mt. Lemmon Survey at Mount Lemmon
Reference:
Last Updated:
2015-09-02
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-06 23:16 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin